Device for connecting two elements having a substantially...

Details Device for connecting two elements having a substantially... Device for connecting two elements having a substantially...

E - Fixed Constructions

21

B

E21B 17/046 (2006.01) F16D 1/027 (2006.01) F16D 1/108 (2006.01)

Patent

CA 2501907

The invention concerns a device for connecting two elements (1) having a substantially cylindrical or tubular shape, for example parts of a linkage assembly of a drilling device or of a linkage assembly element (1) to a drill bit (2) or to a drilling head, the elements to be connected respectively comprising one end to be received and one receiving end, matching the other end, or mutually neighbouring ends sheathed with a sleeve or a cladding (5). The invention is characterized in that at least one partial zone (6) on the receiving end or the sleeve (5), capable of being displaced or driven in practically in the radial direction of the connection towards the end to be received, is fixed meshing in a complementary recess or indentation (10) on the end to be received, thereby providing a simple connection between tubular elements (1) in particular not requiring reciprocal twisting of the elements (1) to produce the connection.

L'invention concerne un dispositif servant à raccorder deux éléments (1) pratiquement en forme de barres ou de tubes, par exemple des parties d'une tringlerie d'un dispositif de forage ou d'un élément de tringlerie (1) à une couronne de forage (2) ou à une tête de forage, les éléments à raccorder comprenant respectivement une extrémité à recevoir et une extrémité réceptrice, complémentaire de l'autre extrémité, ou des extrémités voisines les unes des autres étant recouvertes d'un manchon ou d'une gaine (5). Selon l'invention, au moins une zone partielle (6) sur l'extrémité réceptrice ou le manchon (5), pouvant être déplacée ou enfoncée pratiquement en sens radial du raccord vers l'extrémité à recevoir, est fixée avec engrènement dans un évidement ou une dépression (10) complémentaire sur l'extrémité à recevoir (9). On obtient ainsi un raccordement simple à réaliser entre des éléments tubulaires (1), qui ne nécessite notamment pas de torsion réciproque des éléments (1) pour réaliser le raccordement.

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